Journal of Marine Science and Engineering,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2258 - 2258
Published: Dec. 9, 2024
Marine
debris
(MD)
causes
significant
threats
to
marine
ecosystems.
However,
limited
research
addresses
its
transport
of
MD
in
tropical
shallow
semi-enclosed
seas.
This
study
applied
a
validated
3D
hydrodynamic
model
and
particle
tracking
simulate
the
seasonal
distribution
floating
(FMD)
originating
from
major
river
mouths
vicinity
Gulf
Thailand
(GoT).
The
aim
was
examine
patterns
variations
influenced
by
sea
surface
circulation.
Simulated
particles
were
released
every
six
hours
12
tracked
over
three
years.
Results
revealed
that
currents
drive
between
eastern
western
regions,
as
well
export
import
across
gulf.
upper
(UGoT)
exhibited
highest
concentration
debris,
with
around
50%
total
ending
up
onshore
GoT,
varying
seasonally.
An
analysis
showed
74%
within
gulf
remains
there.
Additionally,
GoT
receives
approximately
10%
rivers
located
outside
boundaries.
Findings
this
suggest
an
example
sea,
functions
both
sink
source
for
FMD.
These
results
could
support
development
strategic
cleanup
frameworks,
optimizing
efforts
during
peak
accumulation
periods
enhance
management
efficiency.
In
addition,
mapping
provides
critical
data
assessing
mitigating
environmental
impacts
GoT.
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
204, P. 116544 - 116544
Published: June 1, 2024
Plastic
particles
have
emerged
as
a
growing
threat
to
both
ecosystems
and
human
well-being,
they
are
being
ingested
accumulate
at
different
trophic
levels.
However,
microplastic
mesoplastic
contamination
its
risk
coastal
marine
water
fish
not
been
well
studied,
particularly
in
the
northern
Bay
of
Bengal.
In
this
study,
presence
small-scale
plastic
(micro-
meso-sized)
gastrointestinal
tract
(GIT)
muscles
six
edible
species
from
Bengal
Coast
were
identified
analyzed.
The
overall
range
microplastics
was
1.74
±
0.23-3.79
2.03items/g
muscle
0.54
0.22-5.96
3.16
items/g
GIT,
with
16.38
8.08-31.88
12.09
items/individual.
No
mesoplastics
found
tissue,
but
present
GIT
concentrations
ranging
0.33
0.27
0.03
0.02
0.51
0.05to
1.38
1.01
Lepturacanthus
savala
accumulated
most
muscle,
Harpadon
nehereus
had
least.
addition,
highest
levels
detected
Polynemus
paradiseus
lowest
Lutjenus
sanguineus.
Omnivorous
showed
higher
than
carnivorous
fish,
which
linked
dietary
habits,
feeding
strategies
digestive
processes.
material
predominantly
rather
muscle.
majority
fibres
(95.18
%),
violet
color
(34
<
0.5
mm
size
(87
%).
dominant
polymers
included
38
%
PE,
15
PP,
33
PU,
14
CES.
contrast,
prevalent
comprised
45
19
13
PS,
16
PA,
7
PET.
Subsequently,
hazard
analysis
using
polymer
index
(PHI)
revealed
that
distinct
categories
for
types,
grade
I
(<1)
IV
(100-1000).
assessment
factor
(1
CF
3)
pollution
load
(PLI
>
1)
indicated
moderate
by
ingestion
debris.
This
study
provides
foremost
evidence
region,
paving
way
future
investigations
policy
implementation.
Reviews in Aquaculture,
Journal Year:
2024,
Volume and Issue:
16(4), P. 1947 - 1980
Published: June 19, 2024
Abstract
The
upsurge
in
the
usage
of
plastics
on
a
global
scale
has
led
to
widespread
occurrence
microplastics
(MPs)
aquatic
environments.
This
review
starts
by
outlining
current
scenario
plastic
production.
It
then
delves
into
various
sources
and
their
entry
systems,
including
impact
fisheries
aquaculture
sector.
detailed
analysis
methods
degradation
small
sized,
MPs
followed
transport,
uptake
trophic
transference
have
been
reviewed
systematically.
Besides,
summarizes
knowledge
impacts
MPs,
additives
associated
contaminants
organisms
living
environment,
particularly
fish
thriving
cultured
conditions.
effects
alone
association
with
other
like
heavy
metals,
organic
pollutants
leachates
reveal
serious
such
as
cytotoxicity,
immune
response,
oxidative
stress,
neurotoxicity,
barrier
attributes
genotoxicity
among
species
particularly,
fish.
In
addition,
present
discusses
invasion
explores
risk
assessment
both
terms
exposure
toxicological
risks
biochemical
nature,
size,
shape
concentration
MPs.
management
strategies
future
prospective
control
hazards
also
highlighted.
summary,
outlines
sources,
fate,
environment
highlighting
need
recognize
pollution
threat
formulate
prevention,
reduce,
reuse
safe
disposal
material.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
318, P. 100399 - 100399
Published: April 1, 2024
Microplastics
are
pollutants
formed
from
fragmented
plastics
and
also
industrially
manufactured
for
personal
care
cosmetic
products.
They
range
1
µm
to
5
mm
ubiquitous
in
the
environment
due
their
tiny
size,
lightweight,
wide
applications.
Ecotoxicological
studies
have
shown
that
they
can
induce
multiple
harmful
effects
on
exposed
organisms
humans.
Wastewater
treatment
plants
(WWTPs)
drawn
interest
of
researchers
regulatory
bodies
worldwide
as
a
point
source
microplastics
discharge
environment.
In
absence
standardized
methodology,
microplastic
monitoring
WWTPs
has
been
marked
by
distinct
variations
sample
processing
analytical
procedures
which
limit
comparison
results.
This
review
provides
detailed
analysis
methods
patterns,
analytical,
size
characterization,
quantification
WWTPs.
According
procedural
steps
extraction
reported
reviewed
studies,
12
patterns
three
categories
approaches
(single,
dual,
multiple)
were
identified.
quantified
using
gravimetry
method,
mass
sub-sample
method
(based
extrapolation)
with
latter
being
most
applied
technique.
Microplastic
characterization
accomplished
two
main
methods:
sieve-based
technique
computing-based
